1 files changed, 25 insertions, 0 deletions
diff --git a/2825/CH4/EX4.15/Ex4_15.sce b/2825/CH4/EX4.15/Ex4_15.sce
new file mode 100755
index 000000000..0d241971e
--- /dev/null
+++ b/2825/CH4/EX4.15/Ex4_15.sce
@@ -0,0 +1,25 @@
+//Ex4_15 Pg-246
+clc
+
+IL1=10*10^(-3) 
+IL2=20*10^(-3) //IL1,IL2 range of load current in A
+Vin=20 //supply voltage in V
+Izt=6*10^(-3) //zener current in A
+Vz=15 //zener voltage in V
+
+disp("Average load current")
+IL=(IL1+IL2)/2 // Average load current
+printf("\n      IL = %.0f mA \n ",IL*10^3)
+
+disp("Total current entering the circuit")
+Is=IL+Izt //current entering the circuit
+printf("\n      Is = %.0f mA \n ",Is*10^3)
+
+disp("Series resistor")
+Rs=(Vin-Vz)/Is //Series resistor in ohm
+printf("\n      Rs = %.0f ohm \n ",Rs)
+
+disp("Power rating of resistor")
+Vs=Vin-Vz 
+P=(Vs^2)/Rs //Power rating of resistor
+printf("\n      P = %.1f W \n ",P)